diff --git a/litex_boards/platforms/sitlinv_stlv7325.py b/litex_boards/platforms/sitlinv_stlv7325.py
index da67bb4..0c6a84d 100644
--- a/litex_boards/platforms/sitlinv_stlv7325.py
+++ b/litex_boards/platforms/sitlinv_stlv7325.py
@@ -187,14 +187,14 @@ def _get_io(voltage="2.5V"):
 
         # HDMI out
         ("hdmi_out", 0,
-            Subsignal("clk_p",   Pins("R21"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("clk_n",   Pins("P21"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("data0_p", Pins("N18"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("data0_n", Pins("M19"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("data1_p", Pins("M21"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("data1_n", Pins("M22"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("data2_p", Pins("K25"), IOStandard("TMDS_" + VCCIO)),
-            Subsignal("data2_n", Pins("K26"), IOStandard("TMDS_" + VCCIO)),
+            Subsignal("clk_p",   Pins("R21"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("clk_n",   Pins("P21"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("data0_p", Pins("N18"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("data0_n", Pins("M19"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("data1_p", Pins("M21"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("data1_n", Pins("M22"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("data2_p", Pins("K25"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
+            Subsignal("data2_n", Pins("K26"), IOStandard("TMDS_33" if VCCIO == "33" else "LVDS_25")),
             Subsignal("scl",     Pins("K21"), IOStandard("LVCMOS" + VCCIO)),
             Subsignal("sda",     Pins("L23"), IOStandard("LVCMOS" + VCCIO)),
             Subsignal("hdp",     Pins("N26"), IOStandard("LVCMOS" + VCCIO)),